Geospatial Indexing & Proximity

Geohash, quadtrees, S2, and H3, nearby queries, moving objects, and ride matching.

0 / 6 solved

Question Tags Difficulty Success

1. Forty Metres Apart

geohashboundary-problem +1

Medium —

2. Seven Cells Not Nine

h3spatial-indexing +2

Medium —

3. No Drivers In Range

proximity-searchride-matching +1

Medium —

4. Wider Than It Looks

bounding-box-querycoordinates +1

Hard —

5. Drop One Character

geohashspatial-indexing +2

Hard —

6. Twelve Awkward Cells

h3pentagons +2

Hard —

Learning Resources

Uber H3, hexagonal hierarchical spatial index

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6 of 6 questions here are still unsolved.

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